Footwear sole



FIG. 1 is bottom perspective view of a footwear sole showing our new design; and,

FIG. 2 is a bottom view of the footwear sole.

The broken lines showing portions of the footwear sole are for illustration purposes only and form no part of the claimed design. The unshaded regions within the solid lines also form no part of the claimed design. 

CLAIM The ornamental design for a footwear sole, as shown and described. 